For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningEngine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when
it is low. If there is a ...
Servicing the Airbag-Equipped Vehicle
Airbags affect how the vehicle should be serviced. There are parts of the airbag
system in several places around the vehicle. Your dealer and the service manual
have information about servicing the vehicle and the airbag system.
WARNING
For up to 10 seconds after the vehicle is turned off and ...
Headlamp Mount Panel Replacement (MIG-Brazing)
Note: According to different corrosion warranties, only the
regional mandatory joining methods are allowed.
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface sec ...